<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    body {
      padding: 0;
      margin: 0;
      width: 100vw;
      height: 100vh;
    }

    #root {
      width: 100%;
      height: 100%;
    }
  </style>
</head>

<body>
  <div id="root"></div>

  <script type="module" src="index.js"></script>
</body>

</html>